Home / 82,814.18-114,293.90-47,015.78

Finding the Fourth Proportional to 82,814.18, 114,293.90 and 47,015.78

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Solution

The fourth proportional to 82,814.18, 114,293.90 and 47,015.78 is: 64,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,814.18 : 114,293.90 = 47,015.78 : x
  2. Step 2: Convert to fraction form
    82,814.18/114,293.90 = 47,015.78/x
  3. Step 3: Cross multiply
    82,814.18x = 114,293.90 × 47,015.78
  4. Step 4: Simplify right side
    82,814.18x = 5,373,616,857.74
  5. Step 5: Solve for x
    x = 5,373,616,857.74/82,814.18
  6. Step 6: Final answer
    x = 64,887.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.